Valor 922eCN Operations Instructions download pdf (Page 10)

1010

Gas Supply Installation

The appliance is supplied for supply gas connection at the left hand side

of the case. There is also a gas line access at the rear of the rebox

for insert applications. The zero clearance kit does not have access at

the rear. Supply line connection to the exible adapter is 3/8”NPT male

thread.

Alternatively, the appliance inlet pipe may be removed and the supply line

routed directly to the control unit. An isolating valve could be tted within

the appliance case.

Use only new black iron or steel pipes or copper tubing if acceptable—

check local codes. Note that in USA, copper tubing must be internally

tinned for protection against sulfur compounds.

Ensure there is a pipe union (or are tting where permissible) ahead of

the burner module for future servicing. Unions in gas lines should be of

ground joint type.

The gas supply line must be sized and installed to provide a supply of gas sufcient to meet the maximum

demand of the appliance without undue loss of pressure.

Sealant used must be resistant to the action of all gas constituents including LP gas. Sealant should be applied

lightly to male threads to ensure excess sealant does not enter gas lines.

The supply line should include a manual shut-off valve to allow the appliance to be disconnected for servicing.

Pressure test the supply line for leaks.

The appliance and its individual shut-off valve must be disconnected from the gas supply piping system

during any pressure testing of that system at test pressures in excess of 1/2 psig (3.5kPa).

The appliance must be isolated from the gas supply piping system by closing its individual manual shut-off valve

during any pressure testing of the gas supply piping system at test pressures equal to or less than 1/2 psig

(3.5kPa).

Failure to either disconnect or isolate the appliance during pressure testing may result in regulator or valve

damage. Consult your dealer in this case.

The minimum supply pressure is given in Specications section of this manual.

All piping and connections must be tested for leaks after installation or servicing. All leaks must be corrected

immediately.

When testing for leaks:

Make sure that the appliance is turned off.

Open the manual shut-off valve.

Test for leaks by applying a liquid detergent or soap

solution to all joints. Bubbles forming indicate a gas

leak. Never use an open ame to check for leaks.

Correct any leak detected immediately.

The pressure test tapping locations are shown here. A

built-in regulator controls the burner manifold pressure.

The correct pressure range is shown in the table in the

Specications section of this manual. The pressure

check should be made with the burner alight and at its

highest setting. See Lighting Instructions section for full

operating details.

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Valor 922eCN Operations Instructions Page 10

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